
import pygame
from pygame.sprite import Group

from settings  import  Settings
from ship import  Ship


import game_functions as gf

def run_game():
    pygame.init()
    ai_settings = Settings()
    screen = pygame.display.set_mode((ai_settings.screen_width, ai_settings.screen_height))
    pygame.display.set_caption("Alien Invasion")

    ship = Ship(ai_settings, screen)
    aliens = Group()
    bullets = Group()

    gf.create_fleet(ai_settings, screen, ship, aliens)

    while True:
        gf.check_event(ai_settings, screen, ship, bullets)
        ship.update()

        gf.update_bullets(bullets)

        gf.update_screen(ai_settings, screen, ship, aliens, bullets)



run_game()
